Acarina

described accepted species

• Appeltans et al: 1218

percent of marine species currently described

• Appeltans et al: 45 (max)
• Appeltans et al: 36 (minimum)

total unknown marine species

• Appeltans et al: 2130 (max)
• Appeltans et al: 1470 (minimum)

undescribed marine species present in museum collections

• Appeltans et al: 100

undiscovered marine morphospecies

• Appeltans et al: 1830 (max)
• Appeltans et al: 1220 (minimum)

undiscovered species (molecular cryptic)

• Appeltans et al: 200 (max)
• Appeltans et al: 150 (minimum)